Stark, L. S.
von Gunten, H.
|Title:||FACT - The first Cherenkov telescope using a G-APD camera for TeV gamma-ray astronomy|
|Abstract:||Geiger-mode Avalanche Photodiodes (G-APD) bear the potential to significantly improve the sensitivity of Imaging Air Cherenkov Telescopes (IACT). We are currently building the First G-APD Cherenkov Telescope (FACT) by refurbishing an old IACT with a mirror area of 9.5 square meters and are constructing a new, fine-pixelized camera using novel G-APDs. The main goal is to evaluate the performance of a complete system by observing very high energy gamma-rays from the Crab Nebula. This is an important field test to check the feasibility of G-APD-based cameras to replace at some time the PMT-based cameras of planned future IACTs like AGIS and CTA. In this article, we present the basic design of such a camera as well as some important details.|
|Subject Headings:||Cherenkov telescope|
Geiger-mode avalanche photodiode (G-APD)
ground-based gamma-ray astronomy
|Appears in Collections:||Sonderforschungsbereich (SFB) 876|
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